CN102076315B - Sunscreen composite particles dispersed in water-in-oil cosmetic compositions - Google Patents
Sunscreen composite particles dispersed in water-in-oil cosmetic compositions Download PDFInfo
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
- A61K8/04—Dispersions; Emulsions
- A61K8/06—Emulsions
- A61K8/064—Water-in-oil emulsions, e.g. Water-in-silicone emulsions
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- A—HUMAN NECESSITIES
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- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
- A61K8/04—Dispersions; Emulsions
- A61K8/06—Emulsions
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/35—Ketones, e.g. benzophenone
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- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/37—Esters of carboxylic acids
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- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
- A61K8/88—Polyamides
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- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
- A61K8/89—Polysiloxanes
- A61K8/891—Polysiloxanes saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone
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- A61K8/00—Cosmetics or similar toiletry preparations
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- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
- A61K8/89—Polysiloxanes
- A61K8/891—Polysiloxanes saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone
- A61K8/893—Polysiloxanes saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone modified by an alkoxy or aryloxy group, e.g. behenoxy dimethicone or stearoxy dimethicone
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- A—HUMAN NECESSITIES
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- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q17/00—Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
- A61Q17/04—Topical preparations for affording protection against sunlight or other radiation; Topical sun tanning preparations
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- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
- A61K2800/41—Particular ingredients further characterized by their size
- A61K2800/413—Nanosized, i.e. having sizes below 100 nm
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Abstract
A cosmetic water-in-oil emulsion composition is provided which includes composite particles of a sunscreen agent and a condensation polymerized polyamide binder, an emulsifying silicone surfactant sufficient to form the water-in-oil emulsion, an oil phase and a water phase. The composition exhibits relatively high SPF photoprotection while maintaining excellent soft focus properties that hide skin imperfections.
Description
Technical field
The present invention relates to the sunscreen compositions, it provides UV protection and soft focus performance.
Background technology
Ultraviolet radiation may just damage skin.Directly infringement can be the form of erythema.More long-term is the worry that cause cancer increases.For this reason, the bright protective agent that is called as opacifier has been introduced in the cosmetic product.
Facial cosmetics make us photoprotection not only being provided desirably but also having worked to promote overall skin appearance.Most people has face's defective.These can comprise inhomogeneous tone, the pore of expansion, fine rule and wrinkle.
Soft focus is to hide the effect of imperfect skin.Incident illumination is twisted by scattering (lens).The grain fraction of cosmetics as lens functions and so that bendingof light be torqued into different directions.
US 5 997 890 (Sine et al.), US 5 972 359 (Sine et al.) and US 6 174 533 B1 (SaNogueira, Jr.) all relate to the good covering that topical composition provides skin defect.The scheme that these files are advised is to use such metal-oxide, its refractive index be at least about 2 and clean primary particle diameter (primary particle size) be 100 to 300nm.Preferred particulate matter is titanium dioxide, zirconium oxide and zinc oxide.
US 2005/0163813 A1 (Kosbach etc.) has reported to use is fuming aluminium oxide (fumed alumina) granule in order to promote the soft focus effect of some cosmetic composition.
Organic opacifier can be bothered the soft focus performance of Toiletry preparation.This is significant especially for the organic facies with high level and/or with the prescription of the emulsion of oil-continuous phase characteristic.Therefore, exist such challenge, have the cosmetics of light protection benefit that strong soft focus effect keeps the higher level of compositions simultaneously in order to provide.
Summary of the invention
A kind of water-in-oil emulsion cosmetic composition is provided, and it comprises:
(i) 0.1 to 20wt% the composite particles that is formed than the polyamide that is organic opacifier of 5:1 to 1:10 and condensation polymerization by relative weight;
(ii) 0.1 to 30wt% emulsifying silicone surfactant, it is enough to form water-in-oil emulsion;
(iii) 1 to 90% oil phase is pressed the weighing scale of the compositions of compositions; With
(iv) 5 to 90% water is by the weighing scale of compositions.
The specific embodiment
Have been found that now the soft focus effect of hiding skin blemishes can coexist with the opacifier than Gaoyang photoprotection coefficient (SPF) can be provided.The present invention need to be called as the oily continuous phase emulsion of water-in-oil emulsion, can utilize especially the emulsifying silicone surfactant to realize.Further, the existence of the composite particles that the present invention need to be formed by organic opacifier and binding agent, described bonding agent is the polyamide of condensation polymerization, is called especially the polyalkylene oxide based polyamide of " PAOPA resin " or is called poly-(ester-acid amide) of the ester-end-blocking of " ETPEA resin ".
Organic opacifier can be 5:1 to 1:10 with the relative weight ratio of polyamide, preferably 3:1 to 1:8, more preferably 2:1 to 1:7, best 1:1 to 1:3.The amount of polyamide can be 10% to 99.5%, presses the weighing scale of composite particles.More preferably, the weight of polyamide can be 30% to 98%, best 50 to 85%, press the weighing scale of composite particles.The amount of opacifier can be 0.5 to 90%, preferably 2 to 70%, best 30 to 50%, press the weighing scale of composite particles.
The amount of the composite particles in the cosmetic emulsion compositions can be 0.1 to 30%, preferably 2 to 15%, best 4 to 10%, press the weighing scale of cosmetic composition.
The particle mean size of composite particles can be for 10 to 2,000nm, and preferably 100 to 1,500nm, and best 200 to 1000nm.
The shading composite particles
Opacifying particles of the present invention is to form with the form of the composite of organic opacifier and binding agent, and this binding agent is the polyamide that condensation polymerization forms.The polyamide of ester-end-blocking is the most useful.Two examples are poly-(ester-acid amide) (ETPEA) resins of polyalkylene oxide based polyamide (PAOPA) and ester-end-blocking.
The polyalkylene oxide based polyamide resin that can be used for is herein listed among the US 6492458B1, during it is incorporated herein as a reference.These PAOPA materials can prepare by the reactant combination that will comprise monocarboxylic acid chemical compound, diamine compound and binary acid.The details of these reactants is described hereinafter.The commercially available Arizona Chemical Company that derives from of this resin, trade mark is Sylvaclear PA 1200V, INCI nomenclature called after Polyamide-3.Formula R
1The exemplary monocarboxylic acid of-COOH includes, but are not limited to, stearic acid (C
18), 1-arachic acid (C
20), 1-behenic acid (docasanoic acid) (C
22, also Cheng behenic acid), lacceroic acid (dotricontanoic acid) (C
32), gheddic acid (tetratriacontanoic acid) (C
34), pentatriacontane acid (pentatriacontanoic acid) (C
35), tetracontane acid (tetracontanoic acid) (C
40), tetratetracontane acid (tetraacontanioc acid) (C
44), tetrapentacontane acid (dopentaacontanoic acid) (C
54), six tetradecanoic acids (tetrahexaacontanoic acid) (C
64) and seven dodecylic acids (dohexaacontanoic acid) (C
72).These monocarboxylic acids can derive from many commercial supplier, comprise Aldrich Chemical (Milwaukee, Wis.; Www.sigma-aldrich.com).
Another suitable monocarboxylic acid is oxidation (especially carboxy blocking) polythene material, and it is by Baker-Petrolite (Sugar Land, Tex.; Www.bakerhughes.com/bapt/; The branch company of Baker Hughes; Www.bakerhughes.com) sell with their form of UNICID acid.UNICID acid is complete saturated, linear carboxylic acid, and wherein average carbon number is C
24To C
50The acid number of UNICID acid is 60-115.
Other monocarboxylic acids that are fit to are the carboxylic acids by the α-side chain of the Guerbet alcohol preparation of oxidation higher molecular weight.Such product can derive from Jarchem IndustriesInc. (Newark, N.J. with the form of their JARIC acid; Wwwjarchem.com).JARIC I-36 acid is the suitable monocarboxylic acid for resin of the present invention.
The diamine reactant thing has two amidos, its both primary amine preferably, and be expressed from the next: HN (R
2a)-R
2-N (R
2a) H.R
2aHydrogen preferably, but also alkyl or also can with R
2Or another R
2aLink together and form heterocycle structure.Preferred diamidogen is ethylenediamine, i.e. R wherein
2aHydrogen and R
2Be-CH
2CH
2-diamidogen.
Diamidogen except ethylenediamine can be described as common diamidogen (co-diamines) in this article.When existing, diamidogen is preferably to use in a small amount than ethylenediamine altogether.
Exemplary common diamidogen comprises 1,2-diaminopropane, 1,3-diaminopropanes, 1, the 4-diaminobutane, 1,2-diaminourea-2-methylpropane, 1,3-1,5-DAP, 1,5-1,5-DAP, 2,3-dimethyl-1, the 3-propane diamine, 1,6-hexamethylene diamine (also claims hexamethylene diamine, HMDA), the 2-methyl isophthalic acid, 5-pentanediamine, 1,7-diaminourea heptane, 1,8-diamino-octane, 2,5-dimethyl-2,5-is diamidogen, 1,9-diaminourea nonane, 1, the 10-diamino decane, 1,12-diaminourea dodecane, luxuriant and rich with fragrance (the whole isomer of diaminourea, comprise 9,10), 4,4'-di-2-ethylhexylphosphine oxide (cyclohexylamine), 2,7 diamin of luorene, phenylenediamine (1,3; 1,3 and/or the Isosorbide-5-Nitrae isomer), diamantane (obsolete) diamidogen, 2,4,6-trimethyl-1, the 3-phenylenediamine, 1,3-cyclohexane extraction two (methylamine), 1,8-diaminourea-terpane, 2,3,5,6-tetramethyl-Isosorbide-5-Nitrae-phenylenediamine, (whole isomers comprises 1,5 to diaminonaphthalene (aphthalene); 1,8; With 2,3) and the 4-amino-2,2,6,6-tetramethylpiperidine.
Suitable aromatics is total to diamidogen, and (it refers to have two reactivities, preferably primary amine group (NH
2) and the molecule of at least one aromatic ring (" Ar ")) comprise benzene dimethylamine and naphthylenediamine (whole isomers).
Exemplary polyalkylene oxide (polyalkylene oxide) type altogether diamidogen includes but not limited to, the JEFFAMINE diamidogen namely gathers (alkylidene oxygen base) diamidogen, available from Huntsman Chemical (Salt Lake City, Utah), also claim polyether diamine.The common diamidogen that preferably contains polyalkylene oxide is JEFFAMINE ED, XTJ and D series diamidogen.
In certain embodiments, polyamide of the present invention is prepared by common diamidogen, and wherein diamidogen is selected from 1,6-hexamethylene diamine, benzene dimethylamine, 1,2-propane diamine, 2-methyl pentamethylene diamine, and 1,12-dodecane diamidogen altogether.Suitable diamidogen of the present invention can derive from many commercial source, comprising: Aldrich (Milwaukee, Wis.); EM Industries Inc. (Hawthorne, N.Y); Lancaster Synthesis Inc. (Windham, N.H) and Spectrum Quality Product Inc. (New Brunswisk, N.J).
Binary acid is the organic molecule that contains two hydroxy-acid groups or its response equivalence thing.Preferred binary acid is the fatty acid of polymerization, and the dimeric dibasic acid component of the fatty acid of especially polymerization.The fatty acid of polymerization comprises the mixture of the structure of dimeric dibasic acid and trimer acid typically, and wherein single dimeric dibasic acid can be saturated, undersaturated, ring-type, acyclic and its combination.The fatty acid of polymerization is typically by following manner preparation: in the presence of clay catalyst with long-chain unsaturated fatty acid, C for example
18Monocarboxylic acid is heated to 200-250 ° of C so that the fatty acid polymerization.Product comprises that typically dimeric dibasic acid namely passes through the C of the dimerization formation of fatty acid
36Dicarboxylic acids, and trimer acid, the C that is namely formed by the trimerization of fatty acid
54Tricarboxylic acids.The more detailed discussion of fatty acid polymerization is found in US 3157681.
Because than trimer acid, the fatty acid polymerization has typically formed more dimeric dibasic acid, and those skilled in the art often may claim that the fatty acid of polymerization is dimeric dibasic acid, although some trimer acids, and even more senior polymerizate, can exist with dimeric dibasic acid.Preferably the fatty acid of polymerization comprises the trimer acid less than 20wt%, and based on the gross weight of the fatty acid of polymerization, and dimeric dibasic acid consists of at least 80wt% of the fatty acid of polymerization.More preferably, dimeric dibasic acid consists of the basically fatty acid of whole polymerizations.
The unsaturated fatty acid that typically is used to form the fatty acid of polymerization comprises oleic acid, linoleic acid plus linolenic acid.Ready denier oil acid, it is the mixture that contains long-chain unsaturated fatty acid, obtains as the by-product of pulping wood method, is preferred for preparing the fatty acid of polymerization.
The fatty acid of polymerization can by hydrogenation, then be used to form the reaction of resin.Hydrogenation often provides slightly higher fusing point and larger oxidation and color stability.
Can obtain fatty acid, dimeric dibasic acid and its hydrogenation pattern of polymerization from many commercial supplier.For example, Arizona Chemical (Jacksonville, Fla.) sells the fatty acid of polymerization under their UNDYME trade mark.
Except the fatty acid or its reactive equivalent of polymerization, binary acid can comprise common diacid (co-diacid).Exemplary common diacid (co-diacid) is formula HOOC-R
1So-called " linearity " diacid of-COOH, wherein R
1Linear C
4-17Hydrocarbyl group more preferably is linear C
6-8Hydrocarbyl group.Be applicable to the common diacid (co-diacid) of linearity of the present invention and comprise 1,6-hexane diacid (adipic acid), 1,7-heptane diacid (1,5-pentanedicarboxylic acid .), 1-8-octane diacid (suberic acid), 1,9-nonane diacid (Azelaic Acid), 1,10-decane diacid (decanedioic acid), 1, the 11-heneicosanedioic acid, 1,12-dodecanedioic acid (1,10-decane dicarboxylic acid), 1,13-tridecandioic acid (tridecandioic acid) and 1,14-tetracosandioic acid (1,12-dodecanedicarboxylic acid).
Another exemplary common diacid (co-diacid) be acrylic or methacrylic acid (or its ester, wherein subsequently hydrolysing step and form acid) and the product of unsaturated fatty acid.For example, such C
21Diacid can be by acrylic acid and C
18Unsaturated fatty acid (for example oleic acid) reaction forms, and wherein alkene-reaction (ene-reaction) is probably carried out between reactant.Exemplary C
21The commercially available Westvaco Corporation that derives from of diacid, Chemical Division, Charleston Heights, S.C., its production code member 1550.
Aromatic diacid can be used as common diacid (co-diacid).As used in this article " aromatic diacid " be have two hydroxy-acid groups (COOH) or its response equivalence thing (for example acid chloride (COCI) or ester (COOR) and the molecule of at least one aromatic ring (" Ar ").Phthalic acid, for example M-phthalic acid and p-phthalic acid are exemplary aromatic diacids.
In one aspect, resin is to be selected from Isosorbide-5-Nitrae-cyclohexane dicarboxylic acid, M-phthalic acid, adipic acid, Azelaic Acid, decanedioic acid, and dodecanedioic acid with being total to that diacid (co-diacid) prepares and being total to diacid (co-diacid).
Can be used for Equations of The Second Kind polyamide of the present invention is poly-(ester-acid amide) resin of ester-end-blocking.These are by making the component reaction preparation that comprises binary acid, diamidogen, polyhydric alcohol and monohydric alcohol, and wherein the binary acid of at least 50 equivalent % comprises the fatty acid of polymerization; The diamidogen of at least 50 equivalent % comprises ethylenediamine.Typical binary acid and diamidogen are described hereinbefore.
The other composition of poly-(ester-acid amide) resin of ester-end-blocking is the monohydric alcohol reactant.Monohydric alcohol can be by formula R
3-OH represents, wherein R
3The hydrocarbyl group that preferably has at least 10 carbon atoms.Therefore, monohydric alcohol can also be known as MHA.In one aspect, R
3C
10-30-hydrocarbon, preferably C
12-24Hydrocarbon still more preferably is C
16-22Hydrocarbon, and also still more preferably be C
18Hydrocarbon.Preferably, R
3Be linear, wherein hydroxyl is positioned at terminal carbon, and namely monohydric alcohol is uncle's monohydric alcohol.Therefore, DODECANOL, 1-, 1-tetradecanol, 1-hexadecanol (spermol), 1-octadecanol (stearyl alcohol), 1-EICOSANOL (arachidic alcohol) and 1-tadenan (behenyl alcohol) be the preferred monohydric alcohol for the preparation of polyamide binding agent of the present invention.
Essential final composition is polyhydric alcohol in preparation ETPEA resin of the present invention, and it also can be described as polyhydroxy-alcohol.Polyhydric alcohol is formula R
4(OH)
n, R wherein
4It is the organic group of n valency.R for example
4Can be the C that does not have hydroxyl to replace
2-C
20Organic group.As another example, R
4It can be hydrocarbon.Typically, n is selected from 2,3, and 4,5 and 6.Suitable polyhydric alcohol for the preparation of ETPEA resin of the present invention comprises ethylene glycol, propylene glycol, butanediol, glycerol, trimethylolpropane, tetramethylolmethane, neopentyl glycol, three (hydroxymethyl) methanol, dipentaerythritol and tripentaerythritol.
The preparation of ETPEA resin and explanation see US 7329719 B2, and it is incorporated herein by reference.These resins are the commercially available Arizona Chemical Company that derives under trade mark Sylvaclear AF 1900V.These resins easily closely mix with OMC and form the composite particles with light protection interception.
Opacifier can spread all over the distribution of polyamide binding agent or can form with the form of the core that binding agent was centered on.The dispersion that spreads all over binding agent is preferred.
To have the systemic at least a chromophoric group in the ultra-violet (UV) band of 290 to 400 nm according to opacifier of the present invention.The organic opacifier of color development can be divided into following kind (and specific example), comprising: para-amino benzoic acid, its salt and its derivant (ethyl, isobutyl group and glyceryl ester; ESCAROL 507); Aminobenzoate (o-aminobenzoa; Methyl,
Base, phenyl, benzyl, phenethyl, linalyl, terpinyl and cyclohexenyl group ester); Salicylate (octyl group, amyl group, phenyl, benzyl,
Base, glyceryl and dipropylene glycol ester); Cinnamic acid derivative (
Base and benzyl ester, α-phenyl cinnamonitrile; Butyl cinnamoyl pyruvate (butyl cinnamoyl pyruvate)); Dihydroxycinnamic acid derivant (umbelliferone, methyl umbelliferone and methyl acetyl-umbelliferone); Trihydroxy cinnamic acid derivative (esculetin, methyl esculetin, daphnetin, and glucosides, Esculin and daphnin); Hydrocarbon (diphenyl diethylene and stibene); Dibenzalacetone and benzalacetophenone; Naphthol sulfonate (beta naphthal-3,6-disulfonic acid and beta naphthal-6, the sodium salt of 8-disulfonic acid); Dihydroxy-naphthoic acid and its salt; Neighbour and parazon disulfonate; Coumarin derivative (7-hydroxyl, 7-methyl and 3-phenyl); Diazole (2-acetyl-3-bromo-indazole, benzene base benzoxazole, methyl naphtho-oxazole and different aryl benzothiazoles); Quinine salt (disulfate, sulfate, chloride, oleate and tannate); Quinoline (oxinate and 2-phenylchinoline); Hydroxyl-or the benzophenone of methoxyl group-replacement; Uric acid and vilouric acid; Tannin and its derivant (for example Hexaethyl ether); (butyl ethoxy ethoxy (carbityl)) (6-propyl group piperonyl) ether; Hydroquinone; Benzophenone (oxybenzone (oxybenzone), sulisobenzone (sulisobenzone), dioxybenzone (dioxybenzone), benzoresorcinol (benzoresorcinol), 2,2', 4,4'-tetrahydroxybenzophenone, 2,2'-dihydroxy-4,4'-dimethoxy-benzophenone and octabenzone (octabenzone)); 4-isopropyl diphenyl formyl methane; Butyl methoxydibenzoylmethise; Etocrilene (etocrylene); With 4-isopropyl-dibenzoyl methane.
Useful especially opacifier is: Neo Heliopan AV, 4,4'-tert-butyl group methoxy dibenzoyl methane, ESCALOL 567 (being also referred to as BP-3), the octyldimethyl para-amino benzoic acid, galloyl gallate trioleate (digalloyltrioleate), 2,2-dihydroxy-4-methoxy benzophenone, 4-[two (hydroxypropyl)] benzocaine, 2-cyano group-3,3-diphenylacrylate 2-Octyl Nitrite, BMDBM, para-amino benzoic acid glyceride, salicylic acid 3,3,5-3-methyl cyclohexanol ester, methyl 2-aminobenzoate, ESCAROL 507 or Aminobenzoate, ESCAROL 507 2-Octyl Nitrite, 2-PHENYLBENZIMIDAZOLE-5-SULFONIC ACID, 2-(to dimethylaminophenyl)-5-sulfoniobenzoxazoic acid, 4 methyl benzylidene camphor, two ethyl hexyl oxy phenol methoxyphenol triazines, Bisoctrizole, poly-diformazan diethylbenzene methylene malonate (dimethicodiethylbenzal malonate), methoxy cinnamic acid isopentyl ester, octyl triazone, terephthalylidene (terephthalidene) two camphorsulfonic acids and its mixture.
Cosmetic composition of the present invention can not only have the opacifier that is contained in the composite particles, and a certain amount of opacifier can be in the situation that there be binding agent to be formulated in the compositions.When the outside at composite existed, the amount of opacifier can be 0.1 to 25%, especially 2 to 15%, and by the weighing scale of compositions.Preferred embodiments more of the present invention can be outside composite without any opacifier or have in the situation of such material of relatively small amount only and prepare.For example, outside opacifier can be 0 to 5%, preferably 0.01 to 2%, and perhaps 0.01 to 0.8%, by the weighing scale of compositions.
The Water-In-Oil silicone surfactant
Multiple silicone surfactant is useful in this article.These silicone are organically-modified organopolysiloxane such as dimethyl siloxane (dimethicone) copolyol of non-crosslinked typically.
Dimethicone copolyol and in this article the limiting examples of other useful silicone surfactants comprise the dimethione copolyether of (pendant) polyethylene oxide side-chain with side, dimethione copolyether with (pendant) polypropylene oxide side chain of side, have (pendant mixed) polyethylene glycol oxide of side mixing and the dimethione copolyether of polypropylene oxide side chain, dimethione copolyether with (pendant mixed) polyoxygenated (ethylene) (propylene) side chain that mixes the side, dimethione copolyether with (pendant) Organic sugarbeet alkali side chain of side, dimethione copolyether with (pendant) carboxylate side chain of side has the dimethione copolyether of (pendant) quaternary ammonium side chain of side; And (the C that contains the side
2-C
30Straight chain, side chain or cyclic alkyl) the further variant of aforementioned copolymer of part.The in this article example of useful commercially available dimethicone copolyol of being sold by Dow Corning Corporation is Dow Corning 190,193, Q2-5220,2501 Wax, 2-5324 fluid, and 5225C (this latter's material is to sell with the form of the mixture of Cyclomethicone (cyclomethicone)).The cetyl dimethicone copolyol be with polyglycereol-4 isostearate (with) form of the mixture of lauric acid hexyl ester is commercially available and sell (also can derive from Goldschmidt) under trade name ABIL WS-08.Other limiting examples of dimethicone copolyol comprises lauryl dimethyl copolymeric siloxane alcohol, the dimethicone copolyol acetas, the dimethicone copolyol adipate ester, dimethicone copolyol amine, dimethicone copolyol behenic acid ester, the dimethicone copolyol butyl ether, the dimethicone copolyol hydroxy stearic acid ester, the dimethicone copolyol isostearate, the dimethicone copolyol laurate, the dimethicone copolyol methyl ether, dimethicone copolyol phosphate ester, dimethicone copolyol sulfosuccinate and dimethicone copolyol stearate.Most preferably the PEG-10 dimethyl siloxane can derive from Shin Etsu.
The amount of silicone surfactant can be 0.1 to 30%, preferably 1 to 10%, best 1.5 to 5%, and by the weighing scale of compositions.
The water that disperses
Compositions of the present invention comprises 5% to 90%, more preferably 30% to 75%, and the water of 45% to 60% dispersion more preferably.In emulsion technology, term " decentralized photo " refers to be suspended in the phase that in the continuous phase and granule that surrounded by continuous phase or drop form exist.
Water can be water, or the combination of water and one or more water solublity or dispersibility composition.The limiting examples of optional composition like this includes but not limited to thickening agent, acid, alkali, salt, chelating agen, glue, water solublity or dispersibility pure and mild polyhydric alcohol, buffer, antiseptic and coloring agent.
Oil-continuous phase
Oil-continuous phase will be present in the compositions of the present invention.The amount of oil phase can be 1 to 90%, preferably 20 to 70%, best 30 to 60%, and by the weighing scale of compositions.
The typical component of oil phase can be silicone, hydrocarbon, triglyceride and its combination.Under optional component part, more specifically material has been described hereinafter.
Optional component
Compositions of the present invention can comprise various other components to improve physical property and characteristic.These components can be the component parts of oil or water.
Optional component of the present invention can be crosslinked silicone (organopolysiloxane) elastomer.Type for the raw-material curable organopolysiloxane composition that can be used as crosslinked silicone elastomer has no particular limits existence.Example in this respect is additive reaction-curing organopolysiloxane composition that the additive reaction between the organopolysiloxane of the diorganopolysiloxanecompositions by containing SiH and vinyl groups with silicon-bonding under platinum group metal catalyzed is solidified; In the presence of organo-tin compound by at hydroxy-end capped diorganopolysiloxanecompositions with contain condensation-curing organopolysiloxane composition that the dehydrogenation reaction between the diorganopolysiloxanecompositions of SiH is solidified; (this condensation reaction illustration is dehydration at the condensation reaction by between hydroxy-end capped diorganopolysiloxanecompositions and hydrolyzable organosilan in the presence of organo-tin compound or the titanate esters, alcohol-discharge, oxime-release, amine-release, amide-release, carboxyl-release, and ketone-release reaction) condensation-curing organopolysiloxane composition of solidifying; Peroxide-the curing organopolysiloxane composition of heat cure in the presence of organic peroxide catalyst; With by high-energy radiation, as by gamma-radiation, the organopolysiloxane composition of ultraviolet radiation or electronic beam curing.
Usually these materials are that the form that is dissolved or suspended in the crosslinked silicone elastomer of 1-30% in the dimethyl silicone fluids (usually Cyclomethicone) provides.For definition, " crosslinked silicone elastomer " refers to independent elastomer, but not total commercial compositions, the latter also comprises solvent (for example dimethyl siloxane) carrier.
Dimethyl siloxane/vinyl-dimethyl radical siloxane cross linked polymer (crosspolymer) and dimethyl siloxane cross linked polymer (crosspolymer) can obtain from many suppliers, comprise Dow Corning (9040,9041,9045,9506 and 9509), General Electric (SFE 839), Shin Etsu (KSG-15,16 and 18 [dimethyl siloxanes/phenyl vinyl dimethyl siloxane cross linked polymer (crosspolymer)]) and Grant Industries (material of Gransil series), with lauryl dimethyl siloxanes/vinyl-dimethyl radical siloxane cross linked polymer (crosspolymer), supplier Shin Etsu (KSG-31 for example, KSG-32, KSG-41, KSG-42, KSG-43 and KSG-44).
Other commercially available silicone elastomer powder that are fit to comprise with the vinyl-dimethyl radical siloxane (dimethicone) from Shin-Etsu of KSP-100, KSP-101, KSP-102, KSP-103, KSP-104 and KSP-105 sale/polymethyl siloxane (methicone) silsesquioxane cross linked polymer (crosspolymer), and the hybrid silicon ketone powder that comprises fluoroalkyl or phenyl of being sold by Shin-Etsu with KSP-200 and KSP-300 respectively.
The concentration of crosslinked silicone elastomer can be 0.01 to 30%, preferably 0.1 to 10%, best 0.5 to 2%, press the weighing scale of cosmetic composition.These gravimetric values are got rid of any solvent such as the Cyclomethicone that exists in commercialization " elastomer " silicone such as Dow Corning product 9040 and 9045.For example, the amount of the crosslinked silicone elastomer in 9040 and 9045 is 12-13wt%.
Optional component in the time of in being attached to compositions, should be applicable to contact with people's collenchyme, and does not have excessive toxicity, incompatibility, unstability, allergy etc. in the reliable scope of judging.CTFA Cosmetic Ingredient Handbook, second edition (1992) have described nonrestrictive cosmetic and the medicinal ingredient that is generally used for skin care industry miscellaneous, and it is suitable in the compositions of the present invention.The example of these kinds comprises: grinding agent, absorbent, aesthetic components such as spice, pigment, coloring agent/colorant, essential oil, dermal sensation the agent, (Oleum Caryophylli for example such as astringent, menthol, Camphora, eucalyptus oil, eugenol (eugenol), menthyl lactate and Radix Hamamelidis Mollis distillation), anti-acne agent, anti-caking agent, defoamer, antimicrobial, antioxidant, bio-additive, buffer agent, filler, chelating agen, chemical addition agent, colorant, cosmetic astringent, the cosmetic biocide, denaturant, medicine astringent, outside analgesics, film forming polymer, opacifier, pH adjusting agent, propellant, Reducing agent, chelating agen, skin bleaching and luminous agent, skin conditioner, skin is consoled and/or healant and derivant, skin treatment agents, thickening agent and vitamin and its derivant.
In any embodiment of the present invention, yet, the useful active substance benefit that can provide by them or classify by the model of action of their supposition in this article.Yet, should will be appreciated that useful in this article active substance can provide in some cases more than a kind of benefit or by working more than a kind of model of action.Therefore, in this article classification be for conveniently carry out and be not intended to active substance is restricted to listed specific one or more application.
Antioxidant/the free radical scavenger of safety and effective dose can be with 0.01% to 10%, and more preferably 0.1% to 5% amount is added, by the weighing scale of compositions.
Can use antioxidant/free radical scavenger such as ascorbic acid (vitamin C) and its salt, the fatty acid acid ascorbyl ester, ascorbic acid derivates (for example magnesium ascorbyl phosphate), tocopherol (vitamin E), tocopherol sorbic acid ester, tocopherol acetas, other ester of tocopherol, butylated hydroxy benzoic acid and their salt, 6-hydroxyl-2,5,7,8-tetramethyl benzo dihydropyran-2-formic acid (commercially available under trade name Trolor), amine (N for example, N-diethyl hydroxylamine, amino-guanidine), nordihydroguaiaretic acid, bioflavonoids, aminoacid, silymarin, tea extract and Pericarpium Vitis viniferae/seed extract.Preferred antioxidant/free radical scavenger is selected from the ester of tocopherol, more preferably tocopherol acetas.
Compositions of the present invention can randomly comprise flavonoid (flavonoid) chemical compound.Flavonoid is disclosed in US 5 686 082 and US 5 686 367, and it is incorporated herein by reference.The example flavone of specially suitable flavonoid, isoflavone, coumarin, chromone, dicoumarin (discoumarols), 4-Chromanone, chromanol (chromanols), its isomer (for example cis/trans isomer) and its mixture.
What preferably use is flavone and isoflavone, daidzein (7 especially, the 4'-dihydroxy isoflavone), genistein (5,7, the 4'-trihydroxy-isoflavone), equol (7,4'-dihydroxy isoflavan (isoflavan)), 5,7-dihydroxy-4'-methoxyl group isoflavone, soybean isoflavone (from the mixture of Semen sojae atricolor extraction) and its mixture.Commercially available many sources, for example Indofine Chemical Company Inc., Stearloids Inc. and the Aldrich Chemical Company Inc of deriving from of useful flavonoid (flavonoid) chemical compound in this article.Described flavonoid (flavonoid) chemical compound is preferably with 0.01% to 20% herein, and more preferably 0.1% to 10%, and more preferably 0.5% to 5%, by weight, exist.
Useful antiinflammatory comprises the chemical compound of allantoin (allantoin) and Radix Glycyrrhizae (plant belongs to/kind of Glycyrrhiza glabra L. (Glycyrrhiza glabra)) family in this article, comprise glycyrrhetinic acid (glycyrrhetic acid), glycyrrhizic acid (glycyrrhizic acid) and its derivant (for example salt and ester).
Compositions can comprise tanned (tanning) active substance.When existing, preferably, said composition comprises 0.1% to 20%, more preferably 2% to 7%, and by the weighing scale of compositions.Preferably tanned (tanning) active substance is dihydroxyacetone.
Compositions can comprise the skin glow agent.When using, compositions preferably includes 0.1% to 10%, more preferably 0.2% to 5%, also preferably 0.5% to 2%, by the weighing scale of compositions, the skin glow agent.Suitable skin glow agent comprises nicotiamide (niacinamide), kojic acid (kojic acid), arbutin (arbutin), tranamic acid (tranexamic acid), intacellin (placental extract), ascorbic acid and its derivant (for example magnesium ascorbyl phosphate, SAP salt, ascorbic acid glucoside (ascorbyl glucoside) and VC-IP).Other skin glow material that is applicable to herein comprises Actiwhite (Cognis), Emblica (Rona), Azeloglicina (Sinerga) and extract (for example Mulberry extract).
Compositions can comprise antimicrobial or antifungus active substance.Such active substance can the elimination of micro-organisms, prevents the development of microorganism or prevents the pathogenic effects of microorganism.The antimicrobial of safety and effective dose or antifungus active substance can be added in the present composition, preferably, and 0.001% to 10%, more preferably 0.01% to 5%, and more preferably 0.05% to 2%, by the weighing scale of compositions.
The preferred example of active substance comprises and is selected from salicylic acid, benzoyl peroxide, 3-hydroxy benzoic acid, hydroxyacetic acid, lactic acid, 4-HBA, aspirin, the 2-hydroxybutyric acid, 2-hydroxypentanoic acid, 2-hydroxycaproic acid, suitable-tretinoin, instead-and tretinoin, retinol, phytic acid, N-acetyl-L-cysteine (cystein), thioctic acid, Azelaic Acid, arachidonic acid, benzoyl peroxide, tetracycline (tetracycline), ibuprofen, naproxen, hydrocortisone, acetaminophen (acetominophen), resorcinol, phenoxyethanol, phenoxypropanol, the phenoxy group isopropyl alcohol, 2,4,4'-three chloro-2'-dihydroxy diphenyl ethers, 3,4,4'-trichlorocarbanilide (trichlorocarbanilide), octopirox, ciclopirox (ciclopirox), lidocaine hydrochloride (lidocaine hydrochloride), clotrimazole (clotrimazole), climbazole (climbazole), miconazole (miconazole), ketoconazole (ketoconazole), those of polygynax (neocycin sulfate) and its mixture.
Compositions can comprise and is selected from wetting agent, mends humectant, or the regulator of skin conditioner.Many these materials can be used and the content of each can be 0.01% to 40%, and more preferably 0.1% to 30%, and more preferably 0.5% to 15%, by the weighing scale of compositions.These materials are including, but not limited to guanidine; Urea; Hydroxyacetic acid and oxyacetate (for example ammonium and season alkylammonium); Lactic acid and lactate (for example ammonium and season alkylammonium); With any Aloe (aloe vera) (for example Aloe (aloe vera) gel) in its kind form; Polyol such as Sorbitol, mannitol, glycerol, hexanetriol, butantriol, propylene glycol, butanediol and hexanediol; Polyethylene Glycol; Sugar and starch derivant (for example oxyalkylated glucose, fructose, sucrose and trehalose); Hyaluronic acid; The lactamide monoethanolamine; The acetamide monoethanolamine; Olestra; Vaseline; With its mixture.
Compositions can comprise one or more thickening agents, preferably 0.05% to 10%, more preferably 0.1% to 5%, and more preferably 0.25% to 4%, by the weighing scale of compositions.The thickening agent of non-limiting kind comprises and is selected from following those:
A. carboxylic acid polyalcohol
These polymer are crosslinked chemical compounds, it comprises one or more derived from following monomer: acrylic acid, substituted acrylic acid, and these acrylic acid and substituted acrylic acid salt and ester, wherein cross-linking agent comprises two or more carbon-carbon double bonds and stems from polyhydroxy-alcohol.
The example of useful commercially available carboxylic acid polyalcohol comprises carbomer (Carbomers) in this article, and it is the crosslinked acrylic acid homopolymer of allyl ether with sucrose or tetramethylolmethane (pentaerytritol).Carbomer is with the form of Carbopol 900 series available (for example Carbopol 954) by Noveon Corporation.In addition, other carboxylic acid polyalcohol reagent that are fit to comprise C
10-30Alkyl acrylate and acrylic acid, methacrylic acid or their short chain (are C
1-4Alcohol) copolymer of one or more monomers in one of ester, wherein cross-linking agent is the allyl ether of sucrose or tetramethylolmethane (pentaerytriotol).These copolymers are called as acrylate/C
10-30Alkyl acrylate cross-linked polymer (crosspolymer) and by Noveon Corporation with Carbopol 1342, Carbopol 1382, Ultrez 21, commercially available the getting of form of Pemulen TR-1 and Pemulen TR-2.
B. taurate (Taurate) polymer
Compositions of the present invention may randomly comprise crosslinked taurate polymers, and it can be used as thickening agent or gellant, comprises anion, cation and non-ionic polymers.Example comprises 2-(Acryloyloxy)ethanol (hydroxyethyl acrylate)/sodium acryloyldimethyl taurate (for example Simulgel NS and INS 100); acrylate (acrylate)/sodium acryloyldimethyl taurate (for example Simulgel EG), sodium acryloyldimethyl taurate (for example Simulgel 800) and ammonium acryloyldime-thyltaurate// vinyl pyrrolidone (for example Aristoflex AVC).
C. polyacrylamide polymers
Compositions of the present invention may randomly comprise the polyacrylamide polymers of vinyl polymerization, and non-ionic polyacrylamide polymers especially comprises (branched) or unbranched (unbranched) polymer of substituted side chain.In these polyacrylamide polymers, non-ionic polymers preferably, CTFA name polyacrylamide and isoparaffin and laureth-7 can derive from Seppic Corporation 305 times at trade mark Sepigel.
D. polysaccharide
Polysaccharide miscellaneous is useful in this article." polysaccharide " refers to comprise the gellant of the main chain of repetition sugar (being carbohydrate) unit.The limiting examples of polysaccharide gellant comprises and is selected from following those: cellulose, carboxymethyl hydroxyethyl cellulose, hydroxyethyl-cellulose, hydroxyethyl ethylcellulose, hydroxypropyl cellulose, hydroxypropyl emthylcellulose, methyl hydroxyethylcellulose, microcrystalline Cellulose, cellulose sodium sulfate and its mixture.
E. glue (gums) and clay
Other useful thickening and gellant comprise main material derived from natural origin in this article.Limiting examples comprises and is selected from following material: arabic gum, agar, algin, alginic acid, ammonium alginate, amylopectin, calcium alginate, calcium carrageenan, carnitine, carrageenin, dextrin, gelatin, Gellan gum, guar gum, guar gum hydroxypropyl-trimethyl ammonium chloride, Strese Hofmann's hectorite., LAPONITE, bentonite, hyaluronic acid, hydrated silica, hydroxypropyl chitosan, hydroxypropyl guar gum, karaya, Macrocystis pyrifera (L.) Ag. (kelp), locust bean gum, natto gum, carrageenin potassium, propylene glycol alginate, Scleroglucan (sclerotium gum), carboxymethyl dextran sodium, carrageenin sodium, Tragacanth, Xanthan gum and its mixture.
Compositions of the present invention can comprise one or more granular materialss.The limiting examples of granular materials comprises painted and uncoloured pigment, interference pigments, inorganic powder, organic dust, composite powder, fluorescent whitening agent granule and its combination.Granular materials can exist, and it is 0.01% to 20%, and more preferably 0.05% to 10%, still more preferably 0.1% to 5%, by the weighing scale of compositions.
Useful granular materials includes but not limited to bismuth oxychloride in this article, sericite, and Muscovitum is with the Muscovitum that barium sulfate or titanium dioxide are processed, zeolite, Kaolin, silicon dioxide, boron nitride, lauroyl lysine, nylon, Talcum, styrene, polystyrene, ethylene/acrylic acid copolymer, aluminium oxide, organic siliconresin, barium sulfate, calcium carbonate, cellulose acetate, PTFE, polymethyl methacrylate, starch, modified starch, silk, glass and its mixture.Preferred organic dust/filler comprises polymer beads, and it is selected from as being sold under one's name at Tospearl 145A by Toshiba Silicone those of methyl silsesquioxane resin microsphere; The microsphere of polymethyl methacrylate, those as being sold under one's name at Micropearl M 100 by Seppic; The spherical particle of crosslinked dimethione, especially as sold under one's name at Trefil E 506C or Trefil E 505C by Dow Corning Toray Silicone those; Polyamide and the spherical particle of nylon 12 more particularly, especially as sold under one's name at Orgasol 2002N Nat C05 by Atochem those; Polystyrene microsphere, those as being sold under one's name at Dynospheres by Dyno Particles; The ethylene acrylate copolymer of being sold under one's name at FloBead EA209 by Kobo; PTFE; Polypropylene; Starch ocentyl succinic aluminum is as being sold under one's name at Dry Flo by National Starch; Poly microsphere, those as being sold under one's name at Microthene FN510-00 by Equistar; Silicone resin; The leafy powder of being made by L-lauroyl lysine; With its mixture.Particularly preferably be globular powder, its average primary particle diameter (primary particle size) is 0.1 to 75 micron, preferably 0.2 to 30 micron.
The topical composition of theme invention includes but not limited to washing liquid, emulsion, mousse (mousses), serosity, spray, aerosol, foam, stick, pencil, gel, emulsifiable paste and ointment.Compositions also can be by weaving or non-woven synthetic and/or natural fiber matter textile (rag or towelette) applies.
Except working and the comparative example, perhaps beyond situation about explicitly pointing out in addition, whole numerals of the quantity of expression material are appreciated that by word " approximately " and modify in this description.
Term " comprises/comprise (comprising) ", and intention is not limited to any subsequently described element, but comprises the element of not enumerating of main or secondary function importance.In other words, listed step, element or option need not to be exhaustive.Whenever using word " to comprise (including) " or when " having (having) ", these terms intentions are equivalent to as defined above " comprising/comprise (comprising) ".
The all files of reference herein comprises whole patents, patent application and printed publication, accordingly with its full content as the reference combination in this disclosure.
Following examples will illustrate embodiment of the present invention more fully.In this article and in the appended claims whole umbers, percentage ratio and the ratio of indication are according to weighing scale, unless the words of illustrating in addition.
Embodiment 1-4
It below is the limiting examples according to sunscreen composition of the present invention.
At first by the composition in conjunction with phase A, the prescription in suitable container in the Preparation Example.In independent suitable container, in conjunction with the composition of phase B.Heat each to 73C-78 ° of C, use simultaneously suitable blender (for example anchor formula scraper, propeller blade, IKA T25) to mix each mutually until each reaches temperature and is uniform.Add phase B to phase A at leisure, continue simultaneously mixed phase A.Continue to mix until batch of material is homogeneous.Pour product into suitable container and at room temperature storage at 73-78 ° of C.Alternately, reduce with temperature, continue to stir the mixture, this causes lower viewed hardness number under 21 ° of C and 33 ° of C.
Embodiment 5
Carry out a series of comparative experimentss and show each aspect of the present invention.These experiments are based on the test of prescription listed under Table I.
Optical measurement
Opacity is perpendicular to the measuring of strength retrogression of the transmitted light beam of medium or thin film irradiation.The direct beam decay is higher, and opacity will be larger.The source of beam attenuation is dual: A) some original light go back from thin film/dieletric reflection.This gives the real white that thin film/medium has large covering power/opaque outward appearance.In prescription, use pigment-level TiO2 will produce this effect.B) some light are from the direct beam path deviation, but still see through thin film/medium.In fact, thin film/medium is from transparent to translucent, and this produces " fuzzy (blurred) " image.Another term to this is soft focus.
Program: 3 mils (76.2 microns) thin film that uses spreading rod (draw down bar) fill a prescription applies on the lamella lucida that (or coating) make somebody a mere figurehead to plastics.At room temperature allow film drying 2 hours.Obtain the built on stilts transparent substance of coating and be placed in the Instrument Systems angle spectrophotometer (goniospectrophotometer).Be arranged on light source and the detector arranged in the straight line perpendicular to the transparent substance that is coated with.(it is set to 20,900 ten thousand Watt-nm/cm to open light source
2, it is as the reference substance of whole intensity in transmission value (Transmission Intensity Values) of reporting herein) and carry out the measurement of transmitted intensity., further measure away from direct transmission line 10,30,40 and 50 degree by moving detector.These values have shown the degree of soft focus light scattering.As opacity/soft focus light scattering, difference is the position of light source and detector, determines reflectivity or " luminosity (radiance) " of product.Detector is 30 degree on a side of normal/vertical line, and light source is 20 degree on opposite side.Be to measure strength retrogression's degree, the intensity level of intensity level with the uncoated transparent substance of making somebody a mere figurehead compared.Difference between these two values is the degree of decay or opacity.
SPF measures
Sunlight protecting factor (SPF) is to use Optometrics SPF 290 instrument body external pelivimetries.Test program need to be calibrated monochromator and the sample stage of Optometrics SPF 290 instruments.Use blank sample quartz plate (10cmx10cm and 3mm thickness) calibration instrument thereafter.Calibration is made zero the UV detector.Use coating (draw-down) applicator of 1 mil that prescription is applied on the plate.This stays 2mg/cm
2Thin film.Thin film was about to dry 30 minutes.Subsequently, use three measured values on the different piece of the quartz plate that is coated with and record meansigma methods, at the thin film acquisition SPF of drying reading.
The soft focus result of prescription is reported in the Table II.
Whole composite (UV Pearls, SunCaps, Sylvaclear/Sunscreen) is through preparation, to provide 2% OMC (OMC) in whole cosmetic composition.UV Pearls is sold by the Rona Division of EMD Chemicals.Their preparation method is described among the US 7 264 795, and it is hereby incorporated by reference.UV Pearls sells as the particulate matter that is dispersed in the aqueous carrier; This particulate matter is the OMC that is coated with silicon dioxide, polyvinyl pyrrolidone and secondary function composition.SunCaps is by Pennsylvania, and is that the Particle Sciences Inc. of Bethlehem sells and be described among the US 5 733 531, and it is hereby incorporated by reference.These granules comprise the OMC that is encapsulated in the binding agent, and this binding agent comprises Cera Flava, Brazil wax, vinyl pyrrolidone/eicosylene (eicosene) copolymer and emulsifying agent.This encapsulation is as the aqueous dispersion supply that contains 65% solid at the most.
Prescription 6(the present invention) the Sylvaclear polymer opacifier composite in has kept the soft focus benefit of 0% OMC prescription and even has improved high angle soft focus performance.Prescription 6 further benefit is that it still demonstrates and is higher than 15 SPF.Opacity improves (reduction) and reflectivity improves.This is all so that transmission soft focus curve and reflection move to the maximum performance in the intensity allowed band.By contrast, prescription 4 and 5 pairs of soft focus of containing UV Pearls and SunCaps have negative effect.Value is lower than 0% OMC prescription 3.As fill a prescription in 8, add independent Sylvaclear resin with 2% OMC (not in binding agent) of outside, with respect to prescription 2, obtained a little raising of high angle soft focus and reflectivity.Yet, for the prescription 2 and 8 both, 8 SPF is identical.This much better soft focus, reflectivity and opacifier active (20 SPF) with the prescription 6 of blend 2% OMC in polymer composites forms contrast.
Claims (7)
1. cosmetic water-in-oil emulsion composition, it comprises:
(i) 0.1 to 20wt% composite particles, its by relative weight than being that organic opacifier of 2:1 to 1:7 and the polyamide of condensation polymerization form;
(ii) 0.1 to 30wt% emulsifying silicone surfactant, it is enough to form water-in-oil emulsion;
(iii) 1 to 90% oil phase is by the weighing scale of compositions; With
(iv) 5 to 90% water is by the weighing scale of compositions.
2. according to claim 1 compositions, wherein opacifier and polyamide closely mix and form in the composite particles each.
3. according to claim 1 or the compositions of claim 2, wherein the particle mean size of composite particles is 10 to 2,000nm.
4. according to claim 3 compositions, wherein the particle mean size of composite particles is 100 to 1,500nm.
5. each compositions in 2 according to claim 1, wherein polyamide is polyalkylene oxide based polyamide resin.
6. each compositions in 2 according to claim 1, wherein polyamide is poly-(ester-acid amide) resin of ester-end-blocking.
7. each compositions in 2 according to claim 1, wherein opacifier is selected from octyl methoxycinnamate, BP-3 and its mixture.
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US12/164,136 US7914772B2 (en) | 2008-06-30 | 2008-06-30 | Sunscreen composite particles dispersed in water-in-oil cosmetic compositions |
US12/164136 | 2008-06-30 | ||
PCT/EP2009/057153 WO2010000584A2 (en) | 2008-06-30 | 2009-06-10 | Sunscreen composite particles dispersed in water-in-oil cosmetic compositions |
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US8119698B2 (en) * | 2008-06-30 | 2012-02-21 | Conopco, Inc. | Sunscreen formula vanishing cream |
US7892524B2 (en) * | 2008-06-30 | 2011-02-22 | Conopco, Inc. | Sunscreen composite particles |
US8524203B2 (en) * | 2010-09-23 | 2013-09-03 | Conopco, Inc. | Sunscreen composite particles for UVA and UVB protection |
KR101618040B1 (en) | 2011-09-16 | 2016-05-04 | 생-고뱅 어브레이시브즈, 인코포레이티드 | Abrasive article and method of forming |
US9295622B2 (en) | 2011-12-06 | 2016-03-29 | Mary Kay Inc. | Substantive sunscreen formulation |
US9005588B2 (en) | 2011-12-22 | 2015-04-14 | Mary Kay Inc. | Substantive sunscreen formulation |
US9549891B2 (en) | 2012-03-19 | 2017-01-24 | The Procter & Gamble Company | Superabsorbent polymers and sunscreen actives for use in skin care compositions |
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US9943477B2 (en) | 2013-12-20 | 2018-04-17 | L'oreal | Emulsion compositions containing a novel preservative system |
US9545373B2 (en) | 2013-12-20 | 2017-01-17 | L'oreal | Translucent cosmetic composition in the form of a water-in-oil emulsion |
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KR20110026442A (en) | 2011-03-15 |
WO2010000584A3 (en) | 2010-05-27 |
CN102076315A (en) | 2011-05-25 |
JP6144872B2 (en) | 2017-06-07 |
JP2011526273A (en) | 2011-10-06 |
MX2010014035A (en) | 2011-05-19 |
WO2010000584A2 (en) | 2010-01-07 |
ZA201008834B (en) | 2012-02-29 |
CA2727845C (en) | 2016-08-16 |
AU2009265940A1 (en) | 2010-01-07 |
US7914772B2 (en) | 2011-03-29 |
ES2374150T3 (en) | 2012-02-14 |
ATE532500T1 (en) | 2011-11-15 |
AU2009265940B2 (en) | 2012-05-03 |
KR101650587B1 (en) | 2016-08-23 |
EP2296610B1 (en) | 2011-11-09 |
EP2296610A2 (en) | 2011-03-23 |
US20090324653A1 (en) | 2009-12-31 |
CA2727845A1 (en) | 2010-01-07 |
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